District Regulations
Limitation | Light (LI) | Medium (MI) | Heavy (HI) |
|---|---|---|---|
Employees | Less than 100 | 100 to 250 | More than 250 |
Noise level | 60 dba [1] 50 dba [2] | 65 dba [1] 60 dba [2] | 70 dba 70 dba |
Water usage | 3,000 gpd | 7,500 gpd | 15,000 gpd |
Sewage discharge | 2,000 gpd | 5,000 gpd | 10,000 gpd |
Sewage treatment | Municipal | Municipal/ pretreatment | Pre-treatment |
Traffic volume (trips) | 250 [3] | 500 | 1,000 |
Air filtration | Non-required | Non-toxic dust control | Required |
3 or more axle trucks (trips per day) | 10 | 20 [4] | More than 20 |
Building height | 2 story or 35 feet | 4 story or 50 feet | 4 story or 50 feet |
Lot size | 2 acres | 5 acres | 10 acres |
Lot width | 150 feet | 200 feet | 250 feet |
Lot coverage | 35% | 40% | 45% |
Paved area | 35% | 40% | 45% |
Yards front | 40 | 40 | 30 |
Side | 30 | 20 | 20 |
Rear | 40 | 20 | 20 |
Open space | 30% | 20% | 10% |
Notes: | |
|---|---|
[1] | Times: 1/2 hour after sunrise to 1/2 hour prior to sunset, Sundays and holidays. |
[2] | Times: other than noted in [1] above. |
[3] | Three or more axle trucks not included, see below. |
[4] | Truck terminals excluded. |